Instructional Video
Khan Academy

Khan Academy: Algebra: Parallel Lines

9th - 10th Standards
This video demonstrates how to determine if lines are parallel given the equations. There are three equations listed and the lines that are parallel will contain the same slope. Practice problems available. [3:48]
Instructional Video
Khan Academy

Khan Academy: Algebra: Parallel Lines 2

9th - 10th Standards
This video demonstrates how to determine if lines are parallel given the equations. There are three equations listed but they are not all in slope-intercept form. Practice problems available. [3:03]
Instructional Video
Khan Academy

Khan Academy: Algebra: Parallel Lines 3

9th - 10th Standards
This video demonstrates how to determine if lines are parallel given the equations. There are three equations listed but they are not all in slope-intercept form. Practice problems available. [2:42]
Instructional Video
Khan Academy

Khan Academy: Algebra: Parallel Line Equation

9th - 10th Standards
This video demonstrates how to find the equation of a line when given a point on the line and the equation of a line parallel to that line. The equation given is not in slope-intercept form. [4:24]
Instructional Video
Khan Academy

Khan Academy: More Analytic Geometry: Parallel Lines 3

9th - 10th Standards
This video demonstrates how to determine if lines are parallel given the equations.
Instructional Video
Sophia Learning

Sophia: Writing a Linear Equation From a Parallel Line and Point

9th - 10th Standards
Students learn how to write a linear equation from a parallel line and a point. The tutorial consists of a detailed example that explores the mathematics concept. [3:56]